Patents by Inventor Lorenz Twisselman

Lorenz Twisselman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5861983
    Abstract: In order to minimize the requsite expenditure of energy involved in a positional change of a microscope for the microsurgery mounted on a floor stand or suspended from a ceiling suspension mount that comprises a viewing element (17, an eyepiece (12), an objective (13), a beam divider (11) disposed between the viewing element (17) and a magnification power changer (12), in which the microscope is swivelably disposed in a suspension mount in such a way that a microscope swivel axis is located in the beam divider exit axis (A), the point of intersection of the microscope swivel axis (B) and the beam divider exit axis (A) is located at the center of gravity or within the immediate proximity of the center of gravity of the microscope (Fig.).
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: January 19, 1999
    Assignee: J. D. Moller Optische Werke GmbH
    Inventor: Lorenz Twisselman